8211909: JDWP Transport Listener: dt_socket thread crash
Reviewed-by: dcubed, dsamersoff
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a40d0a0ee1
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@ -919,7 +919,7 @@ JvmtiEnv::GetAllThreads(jint* threads_count_ptr, jthread** threads_ptr) {
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thread_objs = NEW_RESOURCE_ARRAY(Handle, nthreads);
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NULL_CHECK(thread_objs, JVMTI_ERROR_OUT_OF_MEMORY);
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for (int i=0; i < nthreads; i++) {
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for (int i = 0; i < nthreads; i++) {
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thread_objs[i] = Handle(tle.get_threadObj(i));
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}
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@ -1144,16 +1144,14 @@ JvmtiEnv::GetThreadInfo(jthread thread, jvmtiThreadInfo* info_ptr) {
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Handle context_class_loader;
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bool is_daemon;
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{ MutexLocker mu(Threads_lock);
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name = Handle(current_thread, java_lang_Thread::name(thread_obj()));
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priority = java_lang_Thread::priority(thread_obj());
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thread_group = Handle(current_thread, java_lang_Thread::threadGroup(thread_obj()));
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is_daemon = java_lang_Thread::is_daemon(thread_obj());
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name = Handle(current_thread, java_lang_Thread::name(thread_obj()));
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priority = java_lang_Thread::priority(thread_obj());
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thread_group = Handle(current_thread, java_lang_Thread::threadGroup(thread_obj()));
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is_daemon = java_lang_Thread::is_daemon(thread_obj());
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oop loader = java_lang_Thread::context_class_loader(thread_obj());
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context_class_loader = Handle(current_thread, loader);
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oop loader = java_lang_Thread::context_class_loader(thread_obj());
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context_class_loader = Handle(current_thread, loader);
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}
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{ const char *n;
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if (name() != NULL) {
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@ -1402,13 +1400,10 @@ JvmtiEnv::GetThreadGroupInfo(jthreadGroup group, jvmtiThreadGroupInfo* info_ptr)
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bool is_daemon;
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ThreadPriority max_priority;
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{ MutexLocker mu(Threads_lock);
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name = java_lang_ThreadGroup::name(group_obj());
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parent_group = Handle(current_thread, java_lang_ThreadGroup::parent(group_obj()));
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is_daemon = java_lang_ThreadGroup::is_daemon(group_obj());
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max_priority = java_lang_ThreadGroup::maxPriority(group_obj());
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}
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name = java_lang_ThreadGroup::name(group_obj());
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parent_group = Handle(current_thread, java_lang_ThreadGroup::parent(group_obj()));
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is_daemon = java_lang_ThreadGroup::is_daemon(group_obj());
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max_priority = java_lang_ThreadGroup::maxPriority(group_obj());
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info_ptr->is_daemon = is_daemon;
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info_ptr->max_priority = max_priority;
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@ -1448,7 +1443,7 @@ JvmtiEnv::GetThreadGroupChildren(jthreadGroup group, jint* thread_count_ptr, jth
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Handle group_hdl(current_thread, group_obj);
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{ // Cannot allow thread or group counts to change.
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MutexLocker mu(Threads_lock);
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ObjectLocker ol(group_hdl, current_thread);
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nthreads = java_lang_ThreadGroup::nthreads(group_hdl());
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ngroups = java_lang_ThreadGroup::ngroups(group_hdl());
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@ -1458,7 +1453,7 @@ JvmtiEnv::GetThreadGroupChildren(jthreadGroup group, jint* thread_count_ptr, jth
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objArrayOop threads = java_lang_ThreadGroup::threads(group_hdl());
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assert(nthreads <= threads->length(), "too many threads");
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thread_objs = NEW_RESOURCE_ARRAY(Handle,nthreads);
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for (int i=0, j=0; i<nthreads; i++) {
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for (int i = 0, j = 0; i < nthreads; i++) {
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oop thread_obj = threads->obj_at(i);
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assert(thread_obj != NULL, "thread_obj is NULL");
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JavaThread *java_thread = NULL;
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@ -1490,15 +1485,14 @@ JvmtiEnv::GetThreadGroupChildren(jthreadGroup group, jint* thread_count_ptr, jth
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objArrayOop groups = java_lang_ThreadGroup::groups(group_hdl());
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assert(ngroups <= groups->length(), "too many groups");
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group_objs = NEW_RESOURCE_ARRAY(Handle,ngroups);
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for (int i=0; i<ngroups; i++) {
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for (int i = 0; i < ngroups; i++) {
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oop group_obj = groups->obj_at(i);
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assert(group_obj != NULL, "group_obj != NULL");
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group_objs[i] = Handle(current_thread, group_obj);
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}
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}
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}
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} // ThreadGroup unlocked here
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// have to make global handles outside of Threads_lock
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*group_count_ptr = ngroups;
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*thread_count_ptr = nthreads;
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*threads_ptr = new_jthreadArray(nthreads, thread_objs);
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@ -3246,7 +3240,7 @@ JvmtiEnv::DestroyRawMonitor(JvmtiRawMonitor * rmonitor) {
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// objects that are locked.
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int r;
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intptr_t recursion = rmonitor->recursions();
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for (intptr_t i=0; i <= recursion; i++) {
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for (intptr_t i = 0; i <= recursion; i++) {
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r = rmonitor->raw_exit(thread);
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assert(r == ObjectMonitor::OM_OK, "raw_exit should have worked");
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if (r != ObjectMonitor::OM_OK) { // robustness
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@ -3676,7 +3670,7 @@ JvmtiEnv::GetSystemProperties(jint* count_ptr, char*** property_ptr) {
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strcpy(*tmp_value, key);
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} else {
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// clean up previously allocated memory.
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for (int j=0; j<readable_count; j++) {
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for (int j = 0; j < readable_count; j++) {
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Deallocate((unsigned char*)*property_ptr+j);
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}
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Deallocate((unsigned char*)property_ptr);
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